S. Hagelin

A very thin and compact smart skin x-band digital beamforming antenna

A. Pohl, C. Samuelsson, R. Malmqvist, 2004, First European Radar Conference, 2004. EURAD..

Analysis of Lossy Symmetrical Three-Port Networks with Circulator Properties

S. Hagelin, 1969 .

A Flow Graph Analysis of 3--and 4-Port Junction Circulators

S. Hagelin, S. Hagelin, 1966 .